Reasons
Statements
1
1


2
2.
<3 = <1
3.
3. <2 = 54
4.
<3 =<4
5.
Coiven
5.
AB=AC
6.
SAS postulate
6. Triangle ABC is an isosceles triangle.
2.
Given: < 5 = <6
Prove: triangleABCis an isosceles triangle.
Reasons
Statements
1.
1.
<5 = <6
2.
2. <3 and <5 form a linear pair
3.
3. <4 amd <6 form a linear,pair.
4.
4. <3 = <4
5.
5. AB = AC
6.
6. Triarigle ABC is arisuscules triangle​